First "Smart Watch" ever, decades before Apple Watch oder Samsung Gear09/26/15
Just take a look at this advertisment for the Science of Cambridge Wrist Calculator, this was really one of the first (or just the first) real smart watch with computing power - and it happened about 40 years before ! It was only available as a kit, and AFAIK it can't show the time (unless you

Genoa Super EGA can't replace an original Siemens PCD-2 CGA+MDA card09/18/15
Meanwhile I have tried to replace my original Siemens PCD-2 graphics adapter with a (more modern) Genoa Super EGA (Modell 4880). Unfortunately even with a documentation of all dip switches and jumper, it was not possible to replace the original card, which is able to display color graphics card (CGA